Home / 1,628.92-2,246.11-1,471.51

Finding the Fourth Proportional to 1,628.92, 2,246.11 and 1,471.51

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Solution

The fourth proportional to 1,628.92, 2,246.11 and 1,471.51 is: 2,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.92 : 2,246.11 = 1,471.51 : x
  2. Step 2: Convert to fraction form
    1,628.92/2,246.11 = 1,471.51/x
  3. Step 3: Cross multiply
    1,628.92x = 2,246.11 × 1,471.51
  4. Step 4: Simplify right side
    1,628.92x = 3,305,173.33
  5. Step 5: Solve for x
    x = 3,305,173.33/1,628.92
  6. Step 6: Final answer
    x = 2,029.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.